Home / 18,111,859.20-27,199,281.60-9,608,803.20

Finding the Fourth Proportional to 18,111,859.20, 27,199,281.60 and 9,608,803.20

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Solution

The fourth proportional to 18,111,859.20, 27,199,281.60 and 9,608,803.20 is: 14,429,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111,859.20 : 27,199,281.60 = 9,608,803.20 : x
  2. Step 2: Convert to fraction form
    18,111,859.20/27,199,281.60 = 9,608,803.20/x
  3. Step 3: Cross multiply
    18,111,859.20x = 27,199,281.60 × 9,608,803.20
  4. Step 4: Simplify right side
    18,111,859.20x = 261,352,544,075,781.12
  5. Step 5: Solve for x
    x = 261,352,544,075,781.12/18,111,859.20
  6. Step 6: Final answer
    x = 14,429,912.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.